4,4'-Diaminostilbene-2,2'-disulfonic acid, 95%, Thermo Scientific Chemicals

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 81-11-8
• Molecular Formula: C₁₄H₁₄N₂O₆S₂
• Molecular Weight (g/mol): 370.4
• MDL Number: MFCD00024946
• InChI Key: REJHVSOVQBJEBF-OWOJBTEDSA-N
• Synonym: amsonic acid, flavonic acid, tinopal bhs, amsonsaeure, dasd, 4,4'-diaminostilbene-2,2'-disulfonic acid, unii-h68088wvjl, 2,2'-disulfo-4,4'-stilbenediamine, diaminostilbenedisulfonic acid, 4,4'-diaminostilbene-2,2'-disulphonic acid
• PubChem CID: 5284378
• IUPAC Name: 5-amino-2-[(E)-2-(4-amino-2-sulfophenyl)ethenyl]benzenesulfonic acid
• SMILES: C1=CC(=C(C=C1N)S(=O)(=O)O)C=CC2=C(C=C(C=C2)N)S(=O)(=O)O

• CAS Min %: 94.0
• CAS Max %: 100.0
• Melting Point: >300°C
• Color: Brown-Yellow to Cream
• Infrared Spectrum: Authentic
• Assay Percent Range: 95%
• Packaging: Glass bottle
• Quantity: 100 g
• Beilstein: 14,I,744
• Merck Index: 15, 590
• Solubility Information: Solubility in water: very slightly soluble. Other solubilities: soluble in ethanol,diethyl ether
• Formula Weight: 370.4
• Percent Purity: 95%
• Physical Form: Crystalline Powder
• Chemical Name or Material: 4, 4'-Diaminostilbene-2, 2'-disulfonic acid, 95%

Safety and Handling

Product Identifier

• 4,4'-Diaminostilbene-2,2'-disulfonic acid

Signal Word

• Warning

Hazard Category

• Acute toxicity Category 4
• Serious eye damage/eye irritation Category 2
• Skin corrosion/irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H315-Causes skin irritation.
• H319-Causes serious eye irritation.
• H335-May cause respiratory irritation.
• H312-Harmful in contact with skin.
• H332-Harmful if inhaled.
• H302-Harmful if swallowed.

Precautionary Statement

• P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
• P302+P352-IF ON SKIN: Wash with plenty of water/.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

RUO – Research Use Only